From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f43.google.com (mail-wg0-f43.google.com [74.125.82.43]) by kanga.kvack.org (Postfix) with ESMTP id C46846B0037 for ; Wed, 13 Aug 2014 08:11:41 -0400 (EDT) Received: by mail-wg0-f43.google.com with SMTP id l18so11009049wgh.26 for ; Wed, 13 Aug 2014 05:11:41 -0700 (PDT) Received: from mail-we0-f173.google.com (mail-we0-f173.google.com [74.125.82.173]) by mx.google.com with ESMTPS id pz1si1985707wjc.19.2014.08.13.05.11.40 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 13 Aug 2014 05:11:40 -0700 (PDT) Received: by mail-we0-f173.google.com with SMTP id q58so11332161wes.18 for ; Wed, 13 Aug 2014 05:11:40 -0700 (PDT) Message-ID: <53EB55FA.3090904@plexistor.com> Date: Wed, 13 Aug 2014 15:11:38 +0300 From: Boaz Harrosh MIME-Version: 1.0 Subject: [RFC 2/9] prd: add support for rw_page() References: <53EB5536.8020702@gmail.com> In-Reply-To: <53EB5536.8020702@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Ross Zwisler , linux-fsdevel , Andrew Morton , linux-mm@kvack.org, Matthew Wilcox , Sagi Manole , Yigal Korman From: Ross Zwisler Based on commit a72132c31d58 brd: add support for rw_page() Signed-off-by: Ross Zwisler --- drivers/block/prd.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/block/prd.c b/drivers/block/prd.c index 7684197..4cfc4f8 100644 --- a/drivers/block/prd.c +++ b/drivers/block/prd.c @@ -185,6 +185,16 @@ out: bio_endio(bio, err); } +static int prd_rw_page(struct block_device *bdev, sector_t sector, + struct page *page, int rw) +{ + struct prd_device *prd = bdev->bd_disk->private_data; + + prd_do_bvec(prd, page, PAGE_CACHE_SIZE, 0, rw, sector); + page_endio(page, rw & WRITE, 0); + return 0; +} + static long prd_direct_access(struct block_device *bdev, sector_t sector, void **kaddr, unsigned long *pfn, long size) { @@ -201,6 +211,7 @@ static long prd_direct_access(struct block_device *bdev, sector_t sector, static const struct block_device_operations prd_fops = { .owner = THIS_MODULE, + .rw_page = prd_rw_page, .direct_access = prd_direct_access, }; -- 1.9.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org